Prepregs, multilayer boards, printed circuit boards and semiconductor packages

TW202637741APending Publication Date: 2026-09-16RESONAC CORP
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Patent Information

Application Number
TW114146870
Authority / Receiving Office
TW · TW
Patent Type
Applications
Current Assignee / Owner
Priority Date
2024-11-29
Filing Date
2025-12-01
Publication Date
2026-09-16
Patent Text Reader

Abstract

This invention provides a prepreg that maintains low dielectric properties and exhibits high reflow heat resistance. Furthermore, this invention provides a multilayer board, printed circuit board, and semiconductor package using the aforementioned prepreg. Specifically, the aforementioned prepreg is a prepreg comprising: a thermosetting resin composition containing a thermosetting resin (A) and a leveling agent (X) having alkyl groups having 1,000 to 100,000 carbon atoms; and a fiber substrate.
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